import { TransactionInstruction, PublicKey } from "@solana/web3.js";
import BN from "bn.js";
export interface UpdateRewardDurationArgs {
    rewardIndex: BN;
    newDuration: BN;
}
export interface UpdateRewardDurationAccounts {
    lbPair: PublicKey;
    admin: PublicKey;
    binArray: PublicKey;
    eventAuthority: PublicKey;
    program: PublicKey;
}
export declare const layout: any;
export declare function updateRewardDuration(args: UpdateRewardDurationArgs, accounts: UpdateRewardDurationAccounts, programId?: PublicKey): TransactionInstruction;
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